Base | Representation |
---|---|
bin | 100000010110111110… |
… | …1110010010010101001 |
3 | 20122100220220200121100 |
4 | 1000231331302102221 |
5 | 2114304101220413 |
6 | 51531253432013 |
7 | 5010020523036 |
oct | 1005575622251 |
9 | 218326820540 |
10 | 69490648233 |
11 | 2751a7285a6 |
12 | 1157433b609 |
13 | 6725a69a86 |
14 | 351310838d |
15 | 1c1aa4ba73 |
hex | 102df724a9 |
69490648233 has 12 divisors (see below), whose sum is σ = 101108049588. Its totient is φ = 45988944000.
The previous prime is 69490648189. The next prime is 69490648291. The reversal of 69490648233 is 33284609496.
69490648233 is a `hidden beast` number, since 69 + 490 + 64 + 8 + 2 + 33 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 53644118544 + 15846529689 = 231612^2 + 125883^2 .
It is not a de Polignac number, because 69490648233 - 26 = 69490648169 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 69490648233.
It is not an unprimeable number, because it can be changed into a prime (69490648033) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28178268 + ... + 28180733.
It is an arithmetic number, because the mean of its divisors is an integer number (8425670799).
Almost surely, 269490648233 is an apocalyptic number.
It is an amenable number.
69490648233 is a deficient number, since it is larger than the sum of its proper divisors (31617401355).
69490648233 is a wasteful number, since it uses less digits than its factorization.
69490648233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56359144 (or 56359141 counting only the distinct ones).
The product of its (nonzero) digits is 6718464, while the sum is 54.
The spelling of 69490648233 in words is "sixty-nine billion, four hundred ninety million, six hundred forty-eight thousand, two hundred thirty-three".
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